20171728065

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1359739}}^1$

素因数の和:1359813

約数の個数: 32

約数和(自身を含む): 34461250560

約数和(自身を除く): 14289522495

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 2967, 4945, 14835, 1359739, 4079217, 6798695, 20396085, 31273997, 58468777, 93821991, 156369985, 175406331, 292343885, 469109955, 877031655, 1344781871, 4034345613, 6723909355, 20171728065]

約数ペア:

[(1, 20171728065), (3, 6723909355), (5, 4034345613), (15, 1344781871), (23, 877031655), (43, 469109955), (69, 292343885), (115, 175406331), (129, 156369985), (215, 93821991), (345, 58468777), (645, 31273997), (989, 20396085), (2967, 6798695), (4945, 4079217), (14835, 1359739)]